Fair Value Measurements - Debt Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Carrying Value
Gross carrying value of debt	$ 2,150,000	$ 2,529,146
Less: current portion		377,492
Less: deferred financing costs	31,271	34,467
Long-term debt	2,118,729	2,117,187
Fair Value
Debt at fair value	$ 2,201,461	$ 2,487,180
7.50% senior guaranteed notes due January 2028
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	7.50%	7.50%
Carrying Value
Gross carrying value of debt		$ 379,146
Fair Value
Debt at fair value		$ 379,491
1.75% senior exchangeable notes due June 2029
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	1.75%	1.75%
Carrying Value
Gross carrying value of debt	$ 250,000	$ 250,000
Fair Value
Debt at fair value	$ 229,413	$ 202,868
9.125% senior priority guaranteed notes due January 2030
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	9.125%	9.125%
Carrying Value
Gross carrying value of debt	$ 650,000	$ 650,000
Fair Value
Debt at fair value	$ 682,214	$ 683,293
8.875% Senior Guaranteed Notes due August 2031
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	8.875%	8.875%
Carrying Value
Gross carrying value of debt	$ 550,000	$ 550,000
Fair Value
Debt at fair value	$ 573,496	$ 533,638
7.625% senior priority guaranteed notes due November 2032
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	7.625%	7.625%
Carrying Value
Gross carrying value of debt	$ 700,000	$ 700,000
Fair Value
Debt at fair value	$ 716,338	$ 687,890